47778636348 has 30 divisors (see below), whose sum is σ = 124902794016. Its totient is φ = 15926212008.

The previous prime is 47778636329. The next prime is 47778636371. The reversal of 47778636348 is 84363687774.

It is a happy number.

47778636348 is a `hidden beast` number, since 477 + 7 + 8 + 63 + 63 + 48 = 666.

47778636348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73732140 + ... + 73732787.

Almost surely, 2^47778636348 is an apocalyptic number.

It is an amenable number.

47778636348 is an abundant number, since it is smaller than the sum of its proper divisors (77124157668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47778636348 is a wasteful number, since it uses less digits than its factorization.

47778636348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147464943 (or 147464932 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 63.

The spelling of 47778636348 in words is "forty-seven billion, seven hundred seventy-eight million, six hundred thirty-six thousand, three hundred forty-eight".